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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


Genus Scolytus

Scolytid - Scolytus multistriatus Bark beetle - Scolytus multistriatus - male Bark Beetle - Scolytus muticus Unknown July 20 - Scolytus multistriatus Coleoptera - Scolytus Scolytinae - Scolytus rugulosus Scolytus piceae Scolytus found on snowpack - Scolytus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Scolytinae (Bark and Ambrosia Beetles)
Tribe Scolytini (Typical Bark Beetles)
Subtribe Scolytina
Genus Scolytus
Explanation of Names
Scolytus Geoffroy 1762
25 spp. (of which 4 adventive) in our area, 127 total (1)
1.5–5.2 mm(2)
Revision of Nearctic fauna, with key and diagnostic images of all species in (1)
Key to eastern species in (3)
Most of the Northern Hemisphere (incl. the entire NA) and S. America(2)(4)
Phloeophagous (feed on phloem)(4)
Life Cycle
Native wild species are found in conifers, while introduced species are in hardwoods(4)
Internet References
S. ventralis (Fir Engraver Beetle) Fact sheet (Christopherson 2013)(5)